Disconnected battery = ECU reset?
#1
Disconnected battery = ECU reset?
The 4+ year-old battery on my XF apparently gave up the ghost the other night resulting in the car sitting completely dead for several hours, then another hour or two with the battery out while I drove all over town (in my Toyota) looking for a suitable replacement battery.
Once back up and running, the performance and response doesn't feel quite right.. Does leaving the battery out for an extended period result in a reset ECU ? (the car has a few performance modifications including a remapped/tuned ecu)
Once back up and running, the performance and response doesn't feel quite right.. Does leaving the battery out for an extended period result in a reset ECU ? (the car has a few performance modifications including a remapped/tuned ecu)
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I am wondering about the ECU 'learning' part, that takes 150 miles or so to 'relearn'?
some items were erased like the time on the clock and the trip-milage, but other things like radio stations were still there. Also had to hold down the brakes and apply the parking brake (per the console) to reset (or do something) for the ABS..
some items were erased like the time on the clock and the trip-milage, but other things like radio stations were still there. Also had to hold down the brakes and apply the parking brake (per the console) to reset (or do something) for the ABS..
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Guy-Pierre Boucher
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
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09-16-2015 05:55 PM
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